Portable case



FIG. 1 is a front elevational view of a portable case, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is an exploded perspective view thereof;

FIG. 7 is a perspective view thereof, showing the portable case in its opened condition; and,

FIG. 8 is a perspective view thereof, wherein the broken line showing of the motorcycle structure is for illustrative purposes only and forms no part of the claimed design.

The right side view of the portable case is a mirror image of the left side elevational view. 

The ornamental design for a portable case, as shown and described. 